Add static grouping events to ContainerWindow#213

Merged

bingenito merged 2 commits intomorganstanley:masterfrom bingenito:group-events

Feb 1, 2019

+26-7

Commits on Jan 25, 2019

Add static grouping events to ContainerWindow
bingenito
committed

Commits on Jan 31, 2019

Rollback WindowEventType to ContainerWindowEventType split which was breaking. We'll shelf this for future release that has other breaking changes.
bingenito
committed